196431495 has 32 divisors (see below), whose sum is σ = 339558912. Its totient is φ = 96392832.

The previous prime is 196431491. The next prime is 196431497. The reversal of 196431495 is 594134691.

It is not a de Polignac number, because 196431495 - 2² = 196431491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196431491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66214 + ... + 69116.

It is an arithmetic number, because the mean of its divisors is an integer number (10611216).

Almost surely, 2^196431495 is an apocalyptic number.

196431495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196431495 is a deficient number, since it is larger than the sum of its proper divisors (143127417).

196431495 is a wasteful number, since it uses less digits than its factorization.

196431495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271.

The product of its digits is 116640, while the sum is 42.

The square root of 196431495 is about 14015.4020634443. The cubic root of 196431495 is about 581.3045299749.

The spelling of 196431495 in words is "one hundred ninety-six million, four hundred thirty-one thousand, four hundred ninety-five".